John Krasinski Project 77 (voice) Charlyne Yi Mai (voice) Jason Sudeikis Justin Pin / Ares (voice) Michael Peña Momo (voice) David Cross Dr. Tanner Rice / Q-Bots (voice) Constance Wu Molly (voice) Kiana Ledé Greenwood (voice) Anna Akana Ani (voice) Issac Ryan Brown Ric (voice) Reba Buhr Diagnostic Computer (voice) Amber Friendly Mailbox Drone (voice) Jet Jurgensmeyer Junior (voice) Shaye Ogbonna Fan Boy (voice) Jon Oswald Toothbrush / Door (voice) Betsy Sodaro Toilet / Gate / Hairbrush (voice) Fred Tatasciore Police Robots / Robot Podium / Announcer (voice) Kitana Turnbull RJ (voice) Byron Thames Additional Voices (voice) David Acord Additional Voices (voice) Holly Dorff Additional Voices (voice) Moosie Drier Additional Voices (voice)